TY  - RPRT
TI  - An industrial sewing machine variable speed controller
AU  - Estes, Christa
AU  - Spiggle, Charles
AU  - Swift, Shannon
AU  - Vangeffen, Stephen
AU  - Youngner, Frank
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19930008583
ID  - 19930008583
ER  -